DataRow::IsNull Method (DataColumn^)
.NET Framework (current version)
Gets a value that indicates whether the specified DataColumn contains a null value.
Assembly: System.Data (in System.Data.dll)
Parameters
- column
-
Type:
System.Data::DataColumn^
A DataColumn.
The following example prints each column of each row in each table of a DataSet. If the row is set to a null value, the value is not printed.
Private Sub PrintRows(dataSet As DataSet) Dim table As DataTable Dim column As DataColumn Dim row As DataRow For Each table In dataSet.Tables For Each row In table.Rows For Each column In table.Columns If Not row.IsNull(column) Then Console.WriteLine(row(column).ToString()) End If Next column Next row Next table End Sub
.NET Framework
Available since 1.1
Available since 1.1
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